[PATCH v8 12/16] drivers: iommu: arm-smmu: split probe functions into DT/generic portions

Robin Murphy robin.murphy at arm.com
Fri Nov 18 08:43:30 PST 2016

On 18/11/16 16:00, Will Deacon wrote:
> On Wed, Nov 16, 2016 at 03:29:32PM +0000, Lorenzo Pieralisi wrote:
>> Current ARM SMMU probe functions intermingle HW and DT probing
>> in the initialization functions to detect and programme the ARM SMMU
>> driver features. In order to allow probing the ARM SMMU with other
>> firmwares than DT, this patch splits the ARM SMMU init functions into
>> DT and HW specific portions so that other FW interfaces (ie ACPI) can
>> reuse the HW probing functions and skip the DT portion accordingly.
>> This patch implements no functional change, only code reshuffling.
>> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi at arm.com>
>> Reviewed-by: Tomasz Nowicki <tn at semihalf.com>
>> Tested-by: Hanjun Guo <hanjun.guo at linaro.org>
>> Tested-by: Tomasz Nowicki <tn at semihalf.com>
>> Cc: Will Deacon <will.deacon at arm.com>
>> Cc: Hanjun Guo <hanjun.guo at linaro.org>
>> Cc: Robin Murphy <robin.murphy at arm.com>
>> ---
>>  drivers/iommu/arm-smmu.c | 62 +++++++++++++++++++++++++++++-------------------
>>  1 file changed, 37 insertions(+), 25 deletions(-)
> Reviewed-by: Will Deacon <will.deacon at arm.com>
> Although I'd also like Robin to have a look at this.

Sorry, I've been slow this week. Having finally got round to taking a
proper look, I swear this seems even tidier than the last version I
looked at closely. It doesn't break DT boot on my Juno, either.

Reviewed-by: Robin Murphy <robin.murphy at arm.com>

> Will

More information about the linux-arm-kernel mailing list